1A Fung Jing Hay

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Human being is a living organism composed of various body parts, including organs and tissues that perform different functions to maintain life. The human brain processes information, enables movement, and regulates emotions. Organs such as the heart pump blood throughout the body while others like lungs take in oxygen for respiration. Tissues like skin protect against external factors and provide sensation. Overall, the complexity of human structure allows it to adapt to changing environments.